当前学科:船舶动力装置
  • 题目: 单选
    Which statement about diesel engine combustion is true?()

      A . Combustion does not begin until the piston starts down on the power stroke
      B . Maximum combustion pressure is reached before TDC
      C . Turbulence in the cylinder causes a delay in ignition
      D . Maximum cylinder firing pressure is not developed until the piston passes TDC

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